Buy 11 mm Round Calibrated Gemstones from GemSelect

Some people by gems by color or price, but for many, it is best to buy gems by shape and size - especially if you're in need of a gem to replace a previous item that was lost or damaged. Calibrated Round shapes, facet cut and cabochon gems available now in 11 mm diameter size range. Shop a wide range of calibrated gemstones by size online at wholesale from GemSelect.

As a general guideline, when it comes to 'calibrated' gems, they are not usually expected to be cut to exact measurements. For calibrated gemstones weighing under one carat, most jewelry settings will accommodate a gem which is within 0.2 mm of the calibrated size in order to fit a standard setting. For gemstones that weigh over one carat, a larger variance is acceptable, often around 0.3 mm or slightly higher even. This small variance can usually be accommodated for standard style settings. Round-cut gemstones should also have a greater variance in acceptable size when it comes to calibration; in fact it is usually possible to mount a round stone of any size in the closest standard setting.

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Overall Rating -> 9

Good interaction with site

Posted By Brick in September, 2023

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Overall Rating -> 10

My overall interaction with your website was pleasant, as always.

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Overall Rating -> 10

Overall, the whole process was just great.

Posted By Thatoneguy in August, 2023

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Overall Rating -> 10

blessed be the lord blessed be the saved blessed be the work blessed be the traveled i write down my good times in these stones and when times are gray i can still se the sunny days refract in these stones

Posted By Kickbass.2 in May, 2023

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Overall Rating -> 10

The website is easy to navigate and has a great selection. I am an amateur silver smith casting jewelry with stones

Posted By Jrplunk in April, 2024

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Overall Rating -> 10

No issues at all. It was great.

Posted By LJXK in May, 2023

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Overall Rating -> 10

Very good customer service. I had an issue on my end with shipping and I received a response the next day!

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Overall Rating -> 10

first time here sooooooooooo we will seeeee!!!!! so far so good!!!!!!

Posted By Seastone 56 in October, 2023

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Overall Rating -> 10

LOVE YOU GUYS. YOU CARRY EVERY GEMSTON I WANT. THE PRICE IS GREAT,THE PRODUCT IS OUTSTANDING,AND THE SERVICE CANT BE BEET.

Posted By APPS in April, 2024

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Overall Rating -> 10

Super easy to do business for great products.

Posted By BoBBy in January, 2024

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Overall Rating -> 10

Fantastic dealer for quality gemstones. Website is easy to navigate, selection is superb, delivery of purchases is prompt. Easy to select incorrect payment options, however.

Posted By David W in May, 2023

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Overall Rating -> 10

Easy to navigate

Posted By G Funk in December, 2023

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Overall Rating -> 9

I was in the market for birthstones for a lil gift project im doing. I'm no expert in gems or what not but the quality as far as i can tell seems to be spot on.

Posted By PixelComposer in January, 2024

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Overall Rating -> 9

So many gorgeous stones! The only "complaint" I have is it's difficult to visualize sizes in mm. Perhaps some way to compare in inches?It has been a long time since I bought stones from Gem select, but the process wasn't too difficult.

Posted By Ktreva52 in February, 2024

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Overall Rating -> 10

Awesome

Posted By Mic in May, 2023

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Gemstones A-Z

Buy Round Shape 11 mm Gems

0.91 carat Square Pyrope Garnet, loose Certified Pyrope Garnet from Mozambique, Natural Untreated Gems, 4.2 x 4.1 mm

3.73 ct White Moonstone, 11.1 x 8.8 mm Oval Cut From India

8.02 ct Yellow Quartz, 10 x 10 mm Odd Shaped From Brazil

2.93 carat White Zircon, Oval loose Zircon from Cambodia, Natural Gems, 7 x 5.1 mm

2.48 ct Round Cut Andalusite, 4 mm From Brazil

2.9 ct Oval Tiger's Eye, 8.2 x 6.1 mm From Thailand

2.3 carat White Zircon, Oval loose Zircon from Cambodia, Natural Gems, 7.1 x 5.1 mm

51.51 ct Cushion Jasper, 33 x 30.7 mm From Indonesia

12.56 ct Gray Jadeite, 19.2 x 12.3 mm Oval Cut From Myanmar

0.18 carat Round Ruby, loose Certified Ruby from Myanmar, Natural Gem, 3.4 mm

11 carat Oval Amethyst, loose Certified Amethyst from Brazil, Natural Untreated Gems, 14.2 x 10.2 mm

0.77 carat Yellow Citrine, Trillion loose Citrine from Brazil, Natural Untreated Gem, 6.8 x 6.7 mm

3.69 carat Yellow Citrine, Oval loose Citrine from Brazil, Natural Untreated Gem, 11.8 x 9.8 mm

13.46 ct Black Spinel, 19.8 x 10.1 mm Baguette Rose Cut From Thailand

1.94 carat Orange Hessonite Garnet, Oval loose Hessonite Garnet from Madagascar, Natural Untreated Gem, 8.1 x 6.6 mm

0.3 carat Round Ruby, loose Certified Ruby from Myanmar, Natural Gem, 4 mm

38.72 carat Bi-color Tourmaline, Carved Leaf loose Tourmaline from Mozambique, Natural Untreated Gem, 29.7 x 27.3 mm

13.98 ct Blue Green Grandidierite, 16.5 x 13.7 mm Oval Cut From Madagascar

1.6 ct Round Cut Strawberry Quartz, 7.8 mm From Russia

11.03 carat Oval Amethyst, loose Certified Amethyst from Brazil, Natural Untreated Gems, 14 x 10 mm

15.06 carat Yellow Citrine, Emerald Cut loose Citrine from Brazil, Natural Untreated Gems, 13.8 x 10.1 mm

11.71 carat Cushion Amethyst, loose Certified Amethyst from Brazil, Natural Untreated Gem, 15.1 x 15 mm

1.41 carat London Blue Topaz, Pear Shape loose Topaz from Brazil, Natural Gems, 7 x 5 mm

3.63 carat Yellow Citrine, Oval loose Citrine from Brazil, Natural Untreated Gem, 12.3 x 9.1 mm

2.48 carat Oval Amethyst, loose Certified Amethyst from Brazil, Natural Untreated Gems, 6.1 x 4.1 mm

3.86 carat Emerald Cut Emerald, loose Certified Emerald from Zambia, Natural Gem, 10.1 x 8.6 mm

17.81 ct Oval Rainbow Moonstone, 22.2 x 13 mm From the United States

4.72 ct Asscher Cut Rose Quartz, 8.5 x 8.5 mm From South Africa

22.64 carat Pear Fossil Coral, loose Certified Fossil Coral from Indonesia, Natural Untreated Gems, 22.4 x 12.7 mm

1.41 carat Square Rhodolite Garnet, loose Certified Rhodolite Garnet from Mozambique, Natural Untreated Gems, 4.9 x 4.9 mm

0.46 carat Yellow Citrine, Cushion loose Citrine from Brazil, Natural Untreated Gem, 5.1 x 5 mm

2.78 carat Cushion Checkerboard Amethyst, loose Certified Amethyst from Brazil, Natural Untreated Gem, 10.2 x 8.2 mm

Gemstone Information

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